Cordierite Iolite

Chlorastrolite

Cordierite Iolite Vs Chlorastrolite

Cordierite Iolite

Chlorastrolite

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1 Astrology

1.1 Origin

Canada, Madagascar, Southern and central Africa, Sri Lanka, USA

USA

1.2 Color

Violet, Blue

Green

1.3 Streak

Not Available

1.4 For which Rashi?

Not Available

1.5 Planet

Not Available

1.6 Element of Planets

Not Available

1.7 How to Wear?

1.7.1 Finger

Not Available

1.7.2 Ring Metal

Not Available

1.8 Energy

Not Available

1.9 Deities

Not Available

1.10 Not to wear with

Not Available

1.11 Powers

Not Available

1.12 Birthstone

1.12.1 Planetary

Not Available

1.12.2 Talisman

Not Available

2 Physical Properties

2.1 Tenacity

Not Available

2.2 Solubility

Not Available

2.3 Durability

Not Available

2.4 Specific Gravity

2.56-2.66

3.1-3.5

2.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Granular

2.6 Cleavage

Not Available

2.7 Mohs Hardness

7-7.5

5-6

2.8 Chemical Composition

Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

3 Optical Properties

3.1 Luster

Vitreous

Chatoyant

3.2 Pleochroism

Strong trichroism: colorless to yellowish

NilArthur Thomas

3.3 Dispersion

Albite

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▶

▼

0.02

Rank: 22 (Overall)▶

Not Available

Rank: N/A (Overall)▶

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Fluorite

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0.044 (Anglesite)

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3.4 Transparency

Transparent

Gems

3.5 Refractive Index

1.542-1.578

1.7

3.6 Optic Character

Biaxial/+

Not Available

3.7 Crystal System

Not Available

3.8 Birefringence

0.008-0.012

0.010

3.9 Clarity

Transparent

Gems

4 Benefits

4.1 Physical

4.1.1 Neurological

Not Available

4.1.2 Cardiovascular

Not Available

4.1.3 Respiratory

Not Available

4.1.4 Reproductive

Not Available

4.1.5 Digestive

Not Available

4.2 Psychology

Not Available

4.3 Healing

Not Available

4.4 Qualities Associated

Not Available

Cordierite Iolite Vs Chlorastrolite Fracture

Fracture is an important parameter when you compare Cordierite Iolite and Chlorastrolite Physical Properties. It is necessary to understand the significance of these properties, before you compare Cordierite Iolite Vs Chlorastrolite fracture. Whenever a gemstone chip breaks, it leaves a characteristic line along its breakage. Such lines are known as fracture and are used to identify the gemstones in their initial stages of production when they are in the form of rough minerals. Fracture is usually described with the terms “fibrous” and “splintery” to denote a fracture that usually leaves elongated and sharp edges. Fracture observed in Cordierite Iolite is ConchoidalWalter Schumann, Gemstones of the world (2001), Uneven and Uneven. Chlorastrolite fracture is Granular.

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Cordierite Iolite Vs Chlorastrolite Luster

A primary knowledge about Cordierite Iolite vs Chlorastrolite luster is useful in apparent identifications of these gemstones. Luster is the measure of light that gets reflected when incident on a finished cut gemstone. There are two major types of lusters: Silky and Adamantine. Since luster varies between two crystals of even the same gemstone, luster is limited to basic identification criteria. Cordierite Iolite exhibits Vitreous luster. Chlorastrolite, on other hand, exhibits Chatoyant luster.